1. Magnetic phase diagram of Nd0.5Ca0.5-ySryMnO3.
- Author
-
Kumary, T. Geetha, Cheng, S. L., Lin, J. G., and Chiang, Wen-C.
- Subjects
PEROVSKITE ,MANGANITE ,MAGNETIC properties ,POLYCRYSTALS ,PARTICLES (Nuclear physics) ,ELECTRON paramagnetic resonance ,MAGNETISM ,FERROMAGNETISM - Abstract
The phase diagram obtained for Nd
0.5 Ca0.5-y Sry MnO3 from the temperature dependent magnetization and electron spin resonance measurements are presented in this paper. It is found from magnetization measurements that y=0.25 is a critical point where a magnetic transformation occurs, accompanied by a nonmonotonic variation in the c lattice parameter. Below a certain transition temperature, compounds with y<0.25 exhibit charge ordering and those with y≥0.25 show ferromagnetic ordering. An antiferromagnetic transition occurs for y=0 at still lower temperatures whereas a phase separation into antiferromagnetically and ferromagnetically ordered states occurs for 00. [ABSTRACT FROM AUTHOR] - Published
- 2007
- Full Text
- View/download PDF